Hydrogeochemical and stream sediment detailed geochemical survey for Trans-Pecos, Texas

Technical Report · Fri Oct 31 04:00:00 EST 1980

OSTI ID:6629041

Butz, T R; Wagner, M E; Grimes, J G; Bard, C S; Helgerson, R N; Pritz, P M

Results of the Chinati Mountains project area of the detailed geochemical survey for Trans-Pecos, Texas are reported. Field and laboratory data are presented for 24 groundwater and 121 stream sediment samples. Statistical and areal distributions of uranium and possible uranium-related variables are given. A generalized geologic map of the project area is provided, and pertinent geologic factors which may be of significance in evaluating the potential for uranium mineralization are briefly discussed. The five highest and five lowest uranium values for groundwater samples in the Chinati Mountains project area are described. Variables associated with these samples and their producing horizons are delineated. Results indicate that groundwater samples collected from the Chinati Mountains Group display lower uranium values than samples collected from other volcanic units. Stream sediments containing significant amounts of soluble and total uranium occur in four areas: the Shely prospect, Woods Ranch, the Red Hill prospect, and Cienega Mountain. Elements associated with soluble and insoluble uranium are discussed for the four areas. Insoluble uranium is associated with the elements zirconium, yttrium, niobium, titanium, and cerium; while soluble uranium is associated with the elements iron, manganese, beryllium, lithium, phosphorus, and vanadium. The Allen Intrusive Complex, in the Shely prospect area, has been cited as a definite source for uranium, however source rocks cannot be determined for the other areas.

• Research Organization: Oak Ridge Gaseous Diffusion Plant, TN (USA)
• DOE Contract Number: W-7405-ENG-26
• OSTI ID: 6629041
• Report Number(s): K/UR-29(Pt.5)
• Country of Publication: United States
• Language: English

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